Remove the deprecated version of RenderViewImpl::createView().

WebViewClient now implements the new version.

This is step 3 of 4 in deleting FrameLoader::m_suppressOpenerInNewFrame.

BUG=314177

Review URL: https://codereview.chromium.org/62783002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233817 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233817